You see the lightning _______ it happens, but you hear the thunder later.

A. the instant                                                   B. for an instant

C. on the instant                                               D. in an instant

You see the lightning _____ it happens, but you hear the thunder later.

A. the instant  B. for an instant     C. on the instant     D. in an instant

You see the lightning         it happens, but you hear the thunder later.

A. the instant  B. for an instant     C. on the instant     D. at instant

You see the lightning ________ it happens, but you hear the thunder later.

A. the instant　　　 B. for an instant　 C. on the instant　 D. in an instant

You see the lightning _____ it happens, but you hear the thunder later.

1. A.
   the instant
2. B.
   for an instant
3. C.
   on the instant
4. D.
   in an instant

31.   You see the lightning _____ it happens, but you hear the thunder later.

A. for an instant            B. on the instant            C. in a instant               D. the instant

       You see the lightning _____ it happens, but you hear the thunder later.

A. for an instant            B. on the instant            C. in a instant               D. the instant

       You see the lightning _____ it happens, but you hear the thunder later.

A. for an instant            B. on the instant            C. in a instant               D. the instant